| Name | Meaning | Gender | Origin |
|---|
| Lorda | Reference to the Virgin Mary
| Female | |
| Lore | Flower
| Female | |
| Lorenzo | Form of Lawrence. Lorenzo de' Medici was a patron of Michaelangelo and Da Vinci.
| Male | Italian |
| Loretta | Pure
| Female | English |
| Louis | famed warrior | Male | |
| Lourdes | Reference to the Virgin Mary
| Female | Basque |
| Louredes | Reference to the Virgin Mary
| Female | |
| Lucena | Illumination. Mythological Roman goddess of childbirth and giver of first light to newborns. Also refers to Mary as Lady of the Light.
| Female | |
| Lucero | Spanish form of Luke light
| Male | |
| Luciano | Form of Luke. Light: illumination.
| Male | Italian |
| Lucila | | Unisex | |
| Lucio | Spanish form of Luke light
| Male | |
| Lucita | Little light
| Female | |
| Lucrecia | Brings light
| Female | |
| Luella | Famous elf
| Female | Spelling |
| Luis | Famous fighter
| Male | |
| Luisa | Spanish form of Louise famous in war
| Female | Italian |
| Luz | light | Female | Spanish |
| Madeira | A Portuguese desert wine. | Female | Place-name |
| Manda | Harmony, Beloved | Female | Latin |
| Mani | Jewel | Unisex | Hindi |
| Mannie | G-D Is With Us | Unisex | Spanish |
| Manny | God Is With Us | Male | English |
| Manuel | God is with us | Male | Spanish |
| Marco | warlike | Male | Italian |